Guard rail



FIG. 1 is a top, front and left side perspective view of a firstembodiment of a guard rail showing my new design;

FIG. 2 is a top plan view thereof, the bottom plan view being a mirrorimage;

FIG. 3 is a left side elevation view thereof, the right side elevationview being a mirror image;

FIG. 4 is a front elevation view thereof, the rear elevation view beinga mirror image;

FIG. 5 is a top, front and left side perspective view of a secondembodiment of a guard rail showing my new design;

FIG. 6 is a top plan view thereof, the bottom plan view being a mirrorimage;

FIG. 7 is a left side elevation view thereof, the right side elevationview being a mirror image; and,

FIG. 8 is a front elevation view thereof, the rear elevation view beinga mirror image.

The ornamental design for a guard rail, as shown and described.